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| author | Huacai Chen <chenhuacai@loongson.cn> | 2023-06-26 10:50:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-23 14:49:33 +0300 |
| commit | d56b7a43a2e03f72d696d353c207ee086f7cf555 (patch) | |
| tree | 81148b9b4b44bdcfe88b06fffb1fd23e8da0f7dd /arch/mips/kvm/mips.c | |
| parent | 58d1c81307d25263a8b31777bc874987ea5b847b (diff) | |
| download | linux-d56b7a43a2e03f72d696d353c207ee086f7cf555.tar.xz | |
MIPS: Loongson: Fix cpu_probe_loongson() again
commit 65fee014dc41a774bcd94896f3fb380bc39d8dda upstream.
Commit 7db5e9e9e5e6c10d7d ("MIPS: loongson64: fix FTLB configuration")
move decode_configs() from the beginning of cpu_probe_loongson() to the
end in order to fix FTLB configuration. However, it breaks the CPUCFG
decoding because decode_configs() use "c->options = xxxx" rather than
"c->options |= xxxx", all information get from CPUCFG by decode_cpucfg()
is lost.
This causes error when creating a KVM guest on Loongson-3A4000:
Exception Code: 4 not handled @ PC: 0000000087ad5981, inst: 0xcb7a1898 BadVaddr: 0x0 Status: 0x0
Fix this by moving the c->cputype setting to the beginning and moving
decode_configs() after that.
Fixes: 7db5e9e9e5e6c10d7d ("MIPS: loongson64: fix FTLB configuration")
Cc: stable@vger.kernel.org
Cc: Huang Pei <huangpei@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mips/kvm/mips.c')
0 files changed, 0 insertions, 0 deletions